private static CRYPT_OID_INFO FindOidInfo(OidKeyType keyType, string key, OidGroup group)
{
IntPtr intPtr = IntPtr.Zero;
RuntimeHelpers.PrepareConstrainedRegions();
CRYPT_OID_INFO result;
try
{
if (keyType == OidKeyType.Oid)
{
intPtr = Marshal.StringToCoTaskMemAnsi(key);
}
else
{
intPtr = Marshal.StringToCoTaskMemUni(key);
}
if (!X509Utils.OidGroupWillNotUseActiveDirectory(group))
{
OidGroup dwGroupId = group | OidGroup.DisableSearchDS;
IntPtr intPtr2 = X509Utils.CryptFindOIDInfo(keyType, intPtr, dwGroupId);
if (intPtr2 != IntPtr.Zero)
{
return((CRYPT_OID_INFO)Marshal.PtrToStructure(intPtr2, typeof(CRYPT_OID_INFO)));
}
}
IntPtr intPtr3 = X509Utils.CryptFindOIDInfo(keyType, intPtr, group);
if (intPtr3 != IntPtr.Zero)
{
result = (CRYPT_OID_INFO)Marshal.PtrToStructure(intPtr3, typeof(CRYPT_OID_INFO));
}
else
{
if (group != OidGroup.AllGroups)
{
IntPtr intPtr4 = X509Utils.CryptFindOIDInfo(keyType, intPtr, OidGroup.AllGroups);
if (intPtr4 != IntPtr.Zero)
{
return((CRYPT_OID_INFO)Marshal.PtrToStructure(intPtr4, typeof(CRYPT_OID_INFO)));
}
}
result = default(CRYPT_OID_INFO);
}
}
finally
{
if (intPtr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(intPtr);
}
}
return(result);
}
private static CRYPT_OID_INFO FindOidInfo(OidKeyType keyType, string key, OidGroup group)
{
IntPtr num = IntPtr.Zero;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
num = keyType != OidKeyType.Oid ? Marshal.StringToCoTaskMemUni(key) : Marshal.StringToCoTaskMemAnsi(key);
if (!X509Utils.OidGroupWillNotUseActiveDirectory(group))
{
OidGroup dwGroupId = group | OidGroup.DisableSearchDS;
IntPtr oidInfo = X509Utils.CryptFindOIDInfo(keyType, num, dwGroupId);
if (oidInfo != IntPtr.Zero)
{
return((CRYPT_OID_INFO)Marshal.PtrToStructure(oidInfo, typeof(CRYPT_OID_INFO)));
}
}
IntPtr oidInfo1 = X509Utils.CryptFindOIDInfo(keyType, num, group);
if (oidInfo1 != IntPtr.Zero)
{
return((CRYPT_OID_INFO)Marshal.PtrToStructure(oidInfo1, typeof(CRYPT_OID_INFO)));
}
if (group != OidGroup.AllGroups && X509Utils.CryptFindOIDInfo(keyType, num, OidGroup.AllGroups) != IntPtr.Zero)
{
return((CRYPT_OID_INFO)Marshal.PtrToStructure(oidInfo1, typeof(CRYPT_OID_INFO)));
}
return(new CRYPT_OID_INFO());
}
finally
{
if (num != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(num);
}
}
}
